Results for "Science"

1. 

   Thomas Edison Demonstrates Telephone and Phonograph to National Academy of Sciences

   • Date: April 1878

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   Joseph Henry Advises Samuel Morse on Telegraph

   • Date: February 24, 1842

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   Joseph Henry Electromagnet

   • Date: c. 1978

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   Joseph Henry Constructs Large Electromagnet for Yale College Professor Benjamin Silliman

   • Date: January 15, 1831

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9. 

   Electromagnet Made by Joseph Henry

   • Date: 1978
   • Creator: Unknown
   • Creator: Unknown

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    Joseph Henry Constructs an Electric Motor

    • Date: April-July 1831

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    Smithsonian Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor

    • Date: c. 1830s
    • Creator: Unknown
    • Creator: Unknown

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15. 

    Replica of Joseph Henry's Princeton Oscillating Electromagnet Motor

    • Date: c. 1830s
    • Creator: Unknown
    • Creator: Unknown

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17. 

    Morse Claims Henry's Work in Electromagnetism Did Not Contribute to Invention of Telegraph

    • Date: July 19, 1854

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    Samuel F. B. Morse's Letter to Joseph Henry (October 17, 1846)

    • Date: October 17, 1846
    • Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project
    • Creator: Morse, Samuel Finley Breese 1791-1872,Joseph Henry Papers Project

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21. 

    Alfred Vail's Letter to Joseph Henry (July 17, 1846)

    • Date: July 17, 1846
    • Creator: Vail, Alfred,Joseph Henry Papers Project
    • Creator: Vail, Alfred,Joseph Henry Papers Project

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23. 

    Henry's Early Research in Electromagnetism

    • Date: October 10, 1827

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